BEFORE YOU BEGIN

What to know.

  • Different formulations have different instructions and precautions.
  • Topical products require attention to transfer to other people.
  • Do not convert between products using an online chart or another person's prescription.
THE GUIDE AT A GLANCE

A clearer path through the details.

Use this reading map to jump to the questions covered below.

  1. Start with the exact formulation
  2. Topical products: consider other people at home
  3. Injections: training depends on the product

Start with the exact formulation

The FDA lists several testosterone formulations, including oral, topical, transdermal, buccal, and injectable products. Product approval and product availability are different questions; a list of forms is not a promise that each is currently offered by a particular service.

When comparing options, ask for the product name rather than only 'gel' or 'injection.' Then compare the prescribing information, practical requirements, and follow-up the clinician proposes. This guide does not recommend a brand or a dose.

Sources: FDA class-wide labeling changes for testosterone products · Resources for information on approved drugs

Topical products: consider other people at home

MedlinePlus warns that women and children can be harmed by contact with skin where topical testosterone has been applied. Transfer precautions are therefore part of the decision, not a minor detail after purchase.

Ask the pharmacist to explain the precautions for your exact product and how they fit your household. If the daily requirements would be difficult to follow, raise that concern before selecting the formulation.

Sources: Testosterone topical: drug information

Injections: training depends on the product

Testosterone injections include different products and routes, and some are administered by a healthcare professional. Do not assume another person's supplies or routine apply to your prescription.

Ask whether administration will happen in a clinic or at home, which instructions to keep, and who can answer an administration question. Compare the full process—including follow-up—rather than judging a medication solely by convenience.

Sources: Testosterone injection: drug information

TAKE TO YOUR APPOINTMENT

Questions to ask.

  • Which exact product are we comparing and why?
  • What practical precautions would each option require?
  • How does this option fit my household, schedule, and ability to follow instructions?
  • What should I do if the pharmacy supplies a different formulation?

FOLLOW THE EVIDENCE

Sources & further reading

  1. FDA class-wide labeling changes for testosterone productsU.S. Food and Drug Administration · Accessed October 3, 2026
  2. Resources for information on approved drugsU.S. Food and Drug Administration · Accessed October 3, 2026
  3. Testosterone topical: drug informationNIH National Library of Medicine — MedlinePlus · Accessed October 3, 2026
  4. Testosterone injection: drug informationNIH National Library of Medicine — MedlinePlus · Accessed October 3, 2026